623411425 has 72 divisors (see below), whose sum is σ = 970491456. Its totient is φ = 388926720.

The previous prime is 623411419. The next prime is 623411449. The reversal of 623411425 is 524114326.

It is not a de Polignac number, because 623411425 - 2¹³ = 623403233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623411393 and 623411402.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3164427 + ... + 3164623.

It is an arithmetic number, because the mean of its divisors is an integer number (13479048).

Almost surely, 2^623411425 is an apocalyptic number.

623411425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

623411425 is a deficient number, since it is larger than the sum of its proper divisors (347080031).

623411425 is a wasteful number, since it uses less digits than its factorization.

623411425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 329 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 623411425 is about 24968.2082857381. The cubic root of 623411425 is about 854.2629787360.

The spelling of 623411425 in words is "six hundred twenty-three million, four hundred eleven thousand, four hundred twenty-five".