623400667292 has 12 divisors (see below), whose sum is σ = 1174870488456. Its totient is φ = 287723384880.

The previous prime is 623400667283. The next prime is 623400667321. The reversal of 623400667292 is 292766004326.

It is a super-2 number, since 2×623400667292² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 5994237134 + ... + 5994237237.

It is an arithmetic number, because the mean of its divisors is an integer number (97905874038).

Almost surely, 2^623400667292 is an apocalyptic number.

It is an amenable number.

623400667292 is a deficient number, since it is larger than the sum of its proper divisors (551469821164).

623400667292 is a wasteful number, since it uses less digits than its factorization.

623400667292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988474388 (or 11988474386 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 623400667292 in words is "six hundred twenty-three billion, four hundred million, six hundred sixty-seven thousand, two hundred ninety-two".