152540023 has 2 divisors, whose sum is σ = 152540024. Its totient is φ = 152540022.

The previous prime is 152540009. The next prime is 152540027. The reversal of 152540023 is 320045251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152540023 - 2⁵ = 152539991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152539976 and 152540003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152540027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76270011 + 76270012.

It is an arithmetic number, because the mean of its divisors is an integer number (76270012).

Almost surely, 2^152540023 is an apocalyptic number.

152540023 is a deficient number, since it is larger than the sum of its proper divisors (1).

152540023 is an equidigital number, since it uses as much as digits as its factorization.

152540023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 152540023 is about 12350.7094128232. The cubic root of 152540023 is about 534.3115995277.

Adding to 152540023 its reverse (320045251), we get a palindrome (472585274).

The spelling of 152540023 in words is "one hundred fifty-two million, five hundred forty thousand, twenty-three".