23005155531500 has 48 divisors (see below), whose sum is σ = 50257508857920. Its totient is φ = 9199452473600.

The previous prime is 23005155531497. The next prime is 23005155531503. The reversal of 23005155531500 is 513555150032.

It is an interprime number because it is at equal distance from previous prime (23005155531497) and next prime (23005155531503).

It is not an unprimeable number, because it can be changed into a prime (23005155531503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759085 + ... + 8286084.

It is an arithmetic number, because the mean of its divisors is an integer number (1047031434540).

Almost surely, 2^{23005155531500} is an apocalyptic number.

23005155531500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23005155531500 is an abundant number, since it is smaller than the sum of its proper divisors (27252353326420).

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

23005155531500 is a wasteful number, since it uses less digits than its factorization.

23005155531500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13048715 (or 13048703 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 35.

The spelling of 23005155531500 in words is "twenty-three trillion, five billion, one hundred fifty-five million, five hundred thirty-one thousand, five hundred".