40123243213300 has 72 divisors (see below), whose sum is σ = 93917895590456. Its totient is φ = 14790568066560.

The previous prime is 40123243213283. The next prime is 40123243213379. The reversal of 40123243213300 is 331234232104.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 38533031420004 + 1590211793296 = 6207498^2 + 1261036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24377679 + ... + 25971478.

Almost surely, 2^{40123243213300} is an apocalyptic number.

It is an amenable number.

40123243213300 is an abundant number, since it is smaller than the sum of its proper divisors (53794652377156).

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

40123243213300 is a wasteful number, since it uses less digits than its factorization.

40123243213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50349797 (or 50349790 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40123243213300 its reverse (331234232104), we get a palindrome (40454477445404).

The spelling of 40123243213300 in words is "forty trillion, one hundred twenty-three billion, two hundred forty-three million, two hundred thirteen thousand, three hundred".