126906623 has 2 divisors, whose sum is σ = 126906624. Its totient is φ = 126906622.

The previous prime is 126906599. The next prime is 126906641. The reversal of 126906623 is 326609621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126906623 - 2¹² = 126902527 is a prime.

It is a super-2 number, since 2×126906623² = 32210581922528258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126906673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63453311 + 63453312.

It is an arithmetic number, because the mean of its divisors is an integer number (63453312).

Almost surely, 2^126906623 is an apocalyptic number.

126906623 is a deficient number, since it is larger than the sum of its proper divisors (1).

126906623 is an equidigital number, since it uses as much as digits as its factorization.

126906623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 126906623 is about 11265.2839733404. The cubic root of 126906623 is about 502.5293472295.

The spelling of 126906623 in words is "one hundred twenty-six million, nine hundred six thousand, six hundred twenty-three".