1523040405132 has 12 divisors (see below), whose sum is σ = 3553760945336. Its totient is φ = 507680135040.

The previous prime is 1523040405121. The next prime is 1523040405179. The reversal of 1523040405132 is 2315040403251.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1523040405132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63460016869 + ... + 63460016892.

Almost surely, 2^{1523040405132} is an apocalyptic number.

1523040405132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1523040405132 is an abundant number, since it is smaller than the sum of its proper divisors (2030720540204).

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

1523040405132 is a wasteful number, since it uses less digits than its factorization.

1523040405132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126920033768 (or 126920033766 counting only the distinct ones).

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

Adding to 1523040405132 its reverse (2315040403251), we get a palindrome (3838080808383).

The spelling of 1523040405132 in words is "one trillion, five hundred twenty-three billion, forty million, four hundred five thousand, one hundred thirty-two".