123345204532 has 48 divisors (see below), whose sum is σ = 237312129600. Its totient is φ = 55630632960.

The previous prime is 123345204527. The next prime is 123345204581. The reversal of 123345204532 is 235402543321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3284719 + ... + 3322057.

It is an arithmetic number, because the mean of its divisors is an integer number (4944002700).

Almost surely, 2^123345204532 is an apocalyptic number.

It is an amenable number.

123345204532 is a deficient number, since it is larger than the sum of its proper divisors (113966925068).

123345204532 is a wasteful number, since it uses less digits than its factorization.

123345204532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37936 (or 37934 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 123345204532 its reverse (235402543321), we get a palindrome (358747747853).

The spelling of 123345204532 in words is "one hundred twenty-three billion, three hundred forty-five million, two hundred four thousand, five hundred thirty-two".