134235623 has 2 divisors, whose sum is σ = 134235624. Its totient is φ = 134235622.

The previous prime is 134235617. The next prime is 134235641. The reversal of 134235623 is 326532431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134235623 - 2²² = 130041319 is a prime.

It is a super-4 number, since 4×134235623⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134235823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67117811 + 67117812.

It is an arithmetic number, because the mean of its divisors is an integer number (67117812).

Almost surely, 2^134235623 is an apocalyptic number.

134235623 is a deficient number, since it is larger than the sum of its proper divisors (1).

134235623 is an equidigital number, since it uses as much as digits as its factorization.

134235623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 134235623 is about 11586.0097963017. The cubic root of 134235623 is about 512.0227536580.

The spelling of 134235623 in words is "one hundred thirty-four million, two hundred thirty-five thousand, six hundred twenty-three".