123032201025 has 72 divisors (see below), whose sum is σ = 206997688800. Its totient is φ = 64479499520.

The previous prime is 123032201021. The next prime is 123032201053. The reversal of 123032201025 is 520102230321.

It is not a de Polignac number, because 123032201025 - 2² = 123032201021 is a prime.

It is a super-2 number, since 2×123032201025² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123032200992 and 123032201010.

It is not an unprimeable number, because it can be changed into a prime (123032201021) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 117284701 + ... + 117285749.

It is an arithmetic number, because the mean of its divisors is an integer number (2874967900).

Almost surely, 2^123032201025 is an apocalyptic number.

123032201025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123032201025 is a deficient number, since it is larger than the sum of its proper divisors (83965487775).

123032201025 is a wasteful number, since it uses less digits than its factorization.

123032201025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 123032201025 its reverse (520102230321), we get a palindrome (643134431346).

The spelling of 123032201025 in words is "one hundred twenty-three billion, thirty-two million, two hundred one thousand, twenty-five".