251034000123432 has 32 divisors (see below), whose sum is σ = 632100000319200. Its totient is φ = 83076000039744.

The previous prime is 251034000123329. The next prime is 251034000123463. The reversal of 251034000123432 is 234321000430152.

It is a self number, because there is not a number n which added to its sum of digits gives 251034000123432.

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, 37624996683 + ... + 37625003354.

It is an arithmetic number, because the mean of its divisors is an integer number (19753125009975).

Almost surely, 2^{251034000123432} is an apocalyptic number.

It is an amenable number.

251034000123432 is an abundant number, since it is smaller than the sum of its proper divisors (381066000195768).

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

251034000123432 is a wasteful number, since it uses less digits than its factorization.

251034000123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75250000185 (or 75250000181 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 251034000123432 its reverse (234321000430152), we get a palindrome (485355000553584).

The spelling of 251034000123432 in words is "two hundred fifty-one trillion, thirty-four billion, one hundred twenty-three thousand, four hundred thirty-two".