134457023 has 2 divisors, whose sum is σ = 134457024. Its totient is φ = 134457022.

The previous prime is 134457019. The next prime is 134457041. The reversal of 134457023 is 320754431.

It is a happy number.

134457023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134457023 - 2² = 134457019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134457073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67228511 + 67228512.

It is an arithmetic number, because the mean of its divisors is an integer number (67228512).

Almost surely, 2^134457023 is an apocalyptic number.

134457023 is a deficient number, since it is larger than the sum of its proper divisors (1).

134457023 is an equidigital number, since it uses as much as digits as its factorization.

134457023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 134457023 is about 11595.5604866690. The cubic root of 134457023 is about 512.3040986744.

The spelling of 134457023 in words is "one hundred thirty-four million, four hundred fifty-seven thousand, twenty-three".