23194744359 has 24 divisors (see below), whose sum is σ = 33985415760. Its totient is φ = 14051702784.

The previous prime is 23194744357. The next prime is 23194744369. The reversal of 23194744359 is 95344749132.

It is not a de Polignac number, because 23194744359 - 2¹ = 23194744357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23194744357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436114 + ... + 486399.

It is an arithmetic number, because the mean of its divisors is an integer number (1416058990).

Almost surely, 2^23194744359 is an apocalyptic number.

23194744359 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23194744359 is a deficient number, since it is larger than the sum of its proper divisors (10790671401).

23194744359 is a wasteful number, since it uses less digits than its factorization.

23194744359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922579 (or 922562 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 23194744359 in words is "twenty-three billion, one hundred ninety-four million, seven hundred forty-four thousand, three hundred fifty-nine".