123525002151530 has 16 divisors (see below), whose sum is σ = 254108575854720. Its totient is φ = 42351429309072.

The previous prime is 123525002151449. The next prime is 123525002151581. The reversal of 123525002151530 is 35151200525321.

It is a happy number.

It is a super-2 number, since 2×123525002151530² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 882321443870 + ... + 882321444009.

It is an arithmetic number, because the mean of its divisors is an integer number (15881785990920).

Almost surely, 2^{123525002151530} is an apocalyptic number.

123525002151530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123525002151530 is an abundant number, since it is smaller than the sum of its proper divisors (130583573703190).

123525002151530 is a wasteful number, since it uses less digits than its factorization.

123525002151530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764642887893.

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 123525002151530 its reverse (35151200525321), we get a palindrome (158676202676851).

The spelling of 123525002151530 in words is "one hundred twenty-three trillion, five hundred twenty-five billion, two million, one hundred fifty-one thousand, five hundred thirty".