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23683422157 = 191246495903
BaseRepresentation
bin10110000011101001…
…000101011111001101
32021010112112111112121
4112003221011133031
5342000424002112
614514025532541
71465616524003
oct260351053715
967115474477
1023683422157
11a05374666a
12470b644151
132305845985
14120958ca73
1593930a407
hex583a457cd

23683422157 has 4 divisors (see below), whose sum is σ = 24929918080. Its totient is φ = 22436926236.

The previous prime is 23683422151. The next prime is 23683422197. The reversal of 23683422157 is 75122438632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23683422157 - 211 = 23683420109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23683422151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623247933 + ... + 623247970.

It is an arithmetic number, because the mean of its divisors is an integer number (6232479520).

Almost surely, 223683422157 is an apocalyptic number.

It is an amenable number.

23683422157 is a deficient number, since it is larger than the sum of its proper divisors (1246495923).

23683422157 is a wasteful number, since it uses less digits than its factorization.

23683422157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246495922.

The product of its digits is 483840, while the sum is 43.

The spelling of 23683422157 in words is "twenty-three billion, six hundred eighty-three million, four hundred twenty-two thousand, one hundred fifty-seven".

Divisors: 1 19 1246495903 23683422157