130391123 has 2 divisors, whose sum is σ = 130391124. Its totient is φ = 130391122.

The previous prime is 130391089. The next prime is 130391137. The reversal of 130391123 is 321193031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130391123 is a prime.

It is a super-2 number, since 2×130391123² = 34003689914402258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130391143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65195561 + 65195562.

It is an arithmetic number, because the mean of its divisors is an integer number (65195562).

Almost surely, 2^130391123 is an apocalyptic number.

130391123 is a deficient number, since it is larger than the sum of its proper divisors (1).

130391123 is an equidigital number, since it uses as much as digits as its factorization.

130391123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 130391123 is about 11418.8932475963. The cubic root of 130391123 is about 507.0872316504.

The spelling of 130391123 in words is "one hundred thirty million, three hundred ninety-one thousand, one hundred twenty-three".