612423131 has 8 divisors (see below), whose sum is σ = 633906000. Its totient is φ = 590964640.

The previous prime is 612423107. The next prime is 612423179. The reversal of 612423131 is 131324216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612423131 - 2²² = 608228827 is a prime.

It is a super-2 number, since 2×612423131² = 750124182767686322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612423097 and 612423106.

It is not an unprimeable number, because it can be changed into a prime (612423101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55841 + ... + 65901.

It is an arithmetic number, because the mean of its divisors is an integer number (79238250).

Almost surely, 2^612423131 is an apocalyptic number.

612423131 is a deficient number, since it is larger than the sum of its proper divisors (21482869).

612423131 is a wasteful number, since it uses less digits than its factorization.

612423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189.

The product of its digits is 864, while the sum is 23.

The square root of 612423131 is about 24747.1843044820. The cubic root of 612423131 is about 849.2140975763.

Adding to 612423131 its reverse (131324216), we get a palindrome (743747347).

The spelling of 612423131 in words is "six hundred twelve million, four hundred twenty-three thousand, one hundred thirty-one".