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23473393944 = 233721113971439
BaseRepresentation
bin10101110111000111…
…111001000100011000
32020120220022221222220
4111313013321010120
5341033142101234
614441124144040
71460456361600
oct256707710430
966526287886
1023473393944
119a56134330
124671238020
1322a118a020
1411c9719c00
15925b6ea49
hex5771f9118

23473393944 has 384 divisors, whose sum is σ = 81081907200. Its totient is φ = 5566095360.

The previous prime is 23473393939. The next prime is 23473393963. The reversal of 23473393944 is 44939337432.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16311577 + ... + 16313015.

It is an arithmetic number, because the mean of its divisors is an integer number (211150800).

Almost surely, 223473393944 is an apocalyptic number.

23473393944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23473393944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40540953600).

23473393944 is an abundant number, since it is smaller than the sum of its proper divisors (57608513256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23473393944 is a wasteful number, since it uses less digits than its factorization.

23473393944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1572 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 51.

The spelling of 23473393944 in words is "twenty-three billion, four hundred seventy-three million, three hundred ninety-three thousand, nine hundred forty-four".