23156761623740 has 24 divisors (see below), whose sum is σ = 48633163508160. Its totient is φ = 9261949583168.

The previous prime is 23156761623647. The next prime is 23156761623817. The reversal of 23156761623740 is 4732616765132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46940132 + ... + 47430891.

It is an arithmetic number, because the mean of its divisors is an integer number (2026381812840).

Almost surely, 2^{23156761623740} is an apocalyptic number.

23156761623740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23156761623740 is an abundant number, since it is smaller than the sum of its proper divisors (25476401884420).

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

23156761623740 is a wasteful number, since it uses less digits than its factorization.

23156761623740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94383301 (or 94383299 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 23156761623740 in words is "twenty-three trillion, one hundred fifty-six billion, seven hundred sixty-one million, six hundred twenty-three thousand, seven hundred forty".