623770154212 has 12 divisors (see below), whose sum is σ = 1097083187200. Its totient is φ = 310317815016.

The previous prime is 623770154191. The next prime is 623770154219. The reversal of 623770154212 is 212451077326.

It is a super-2 number, since 2×623770154212² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (623770154219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391814628 + ... + 391816219.

Almost surely, 2^623770154212 is an apocalyptic number.

It is an amenable number.

623770154212 is a deficient number, since it is larger than the sum of its proper divisors (473313032988).

623770154212 is a wasteful number, since it uses less digits than its factorization.

623770154212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783631050 (or 783631048 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 623770154212 in words is "six hundred twenty-three billion, seven hundred seventy million, one hundred fifty-four thousand, two hundred twelve".