1230390711 has 24 divisors (see below), whose sum is σ = 1991203344. Its totient is φ = 725535360.

The previous prime is 1230390701. The next prime is 1230390719. The reversal of 1230390711 is 1170930321.

It is not a de Polignac number, because 1230390711 - 2⁶ = 1230390647 is a prime.

It is a super-2 number, since 2×1230390711² = 3027722603430171042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230390719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164286 + ... + 171611.

It is an arithmetic number, because the mean of its divisors is an integer number (82966806).

Almost surely, 2^1230390711 is an apocalyptic number.

1230390711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1230390711 is a deficient number, since it is larger than the sum of its proper divisors (760812633).

1230390711 is a wasteful number, since it uses less digits than its factorization.

1230390711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335951 (or 335948 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1230390711 is about 35076.9256206983. The cubic root of 1230390711 is about 1071.5547058892.

The spelling of 1230390711 in words is "one billion, two hundred thirty million, three hundred ninety thousand, seven hundred eleven".