130451623 has 2 divisors, whose sum is σ = 130451624. Its totient is φ = 130451622.

The previous prime is 130451597. The next prime is 130451641. The reversal of 130451623 is 326154031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130451623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130451023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65225811 + 65225812.

It is an arithmetic number, because the mean of its divisors is an integer number (65225812).

Almost surely, 2^130451623 is an apocalyptic number.

130451623 is a deficient number, since it is larger than the sum of its proper divisors (1).

130451623 is an equidigital number, since it uses as much as digits as its factorization.

130451623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 130451623 is about 11421.5420587590. The cubic root of 130451623 is about 507.1656470956.

The spelling of 130451623 in words is "one hundred thirty million, four hundred fifty-one thousand, six hundred twenty-three".