612408223 has 12 divisors (see below), whose sum is σ = 713255592. Its totient is φ = 524286000.

The previous prime is 612408211. The next prime is 612408257. The reversal of 612408223 is 322804216.

It is not a de Polignac number, because 612408223 - 2¹³ = 612400031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612408191 and 612408200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612408263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35848 + ... + 50098.

It is an arithmetic number, because the mean of its divisors is an integer number (59437966).

Almost surely, 2^612408223 is an apocalyptic number.

612408223 is a deficient number, since it is larger than the sum of its proper divisors (100847369).

612408223 is a wasteful number, since it uses less digits than its factorization.

612408223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142 (or 15135 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 612408223 is about 24746.8830966649. The cubic root of 612408223 is about 849.2072068141.

The spelling of 612408223 in words is "six hundred twelve million, four hundred eight thousand, two hundred twenty-three".