23139265426 has 16 divisors (see below), whose sum is σ = 35154892800. Its totient is φ = 11421023328.

The previous prime is 23139265411. The next prime is 23139265441. The reversal of 23139265426 is 62456293132.

It is an interprime number because it is at equal distance from previous prime (23139265411) and next prime (23139265441).

It is a super-2 number, since 2×23139265426² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116111 + ... + 1136653.

It is an arithmetic number, because the mean of its divisors is an integer number (2197180800).

Almost surely, 2^23139265426 is an apocalyptic number.

23139265426 is a deficient number, since it is larger than the sum of its proper divisors (12015627374).

23139265426 is a wasteful number, since it uses less digits than its factorization.

23139265426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753.

The product of its digits is 466560, while the sum is 43.

The spelling of 23139265426 in words is "twenty-three billion, one hundred thirty-nine million, two hundred sixty-five thousand, four hundred twenty-six".