623078122 has 4 divisors (see below), whose sum is σ = 934617186. Its totient is φ = 311539060.

The previous prime is 623078089. The next prime is 623078161. The reversal of 623078122 is 221870326.

623078122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 393585921 + 229492201 = 19839^2 + 15149^2 .

It is a super-2 number, since 2×623078122² = 776452692230093768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155769529 + ... + 155769532.

Almost surely, 2^623078122 is an apocalyptic number.

623078122 is a deficient number, since it is larger than the sum of its proper divisors (311539064).

623078122 is a wasteful number, since it uses less digits than its factorization.

623078122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311539063.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 623078122 is about 24961.5328455606. The cubic root of 623078122 is about 854.1107094854.

The spelling of 623078122 in words is "six hundred twenty-three million, seventy-eight thousand, one hundred twenty-two".