623149112 has 8 divisors (see below), whose sum is σ = 1168404600. Its totient is φ = 311574552.

The previous prime is 623149081. The next prime is 623149117. The reversal of 623149112 is 211941326.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623149117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38946812 + ... + 38946827.

It is an arithmetic number, because the mean of its divisors is an integer number (146050575).

Almost surely, 2^623149112 is an apocalyptic number.

It is an amenable number.

623149112 is a deficient number, since it is larger than the sum of its proper divisors (545255488).

623149112 is a wasteful number, since it uses less digits than its factorization.

623149112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77893645 (or 77893641 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 623149112 is about 24962.9547930528. The cubic root of 623149112 is about 854.1431457694.

The spelling of 623149112 in words is "six hundred twenty-three million, one hundred forty-nine thousand, one hundred twelve".