233151220425 has 24 divisors (see below), whose sum is σ = 389293297920. Its totient is φ = 123116152000.

The previous prime is 233151220417. The next prime is 233151220429. The reversal of 233151220425 is 524022151332.

It is not a de Polignac number, because 233151220425 - 2³ = 233151220417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233151220392 and 233151220401.

It is not an unprimeable number, because it can be changed into a prime (233151220429) 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, 15381945 + ... + 15397094.

It is an arithmetic number, because the mean of its divisors is an integer number (16220554080).

Almost surely, 2^233151220425 is an apocalyptic number.

233151220425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233151220425 is a deficient number, since it is larger than the sum of its proper divisors (156142077495).

233151220425 is a wasteful number, since it uses less digits than its factorization.

233151220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30779153 (or 30779148 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 233151220425 its reverse (524022151332), we get a palindrome (757173371757).

The spelling of 233151220425 in words is "two hundred thirty-three billion, one hundred fifty-one million, two hundred twenty thousand, four hundred twenty-five".