23320312153 has 2 divisors, whose sum is σ = 23320312154. Its totient is φ = 23320312152.

The previous prime is 23320312129. The next prime is 23320312157. The reversal of 23320312153 is 35121302332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23113729024 + 206583129 = 152032^2 + 14373^2 .

It is a cyclic number.

It is not a de Polignac number, because 23320312153 - 2¹⁷ = 23320181081 is a prime.

It is a super-3 number, since 3×23320312153³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23320312157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660156076 + 11660156077.

It is an arithmetic number, because the mean of its divisors is an integer number (11660156077).

Almost surely, 2^23320312153 is an apocalyptic number.

It is an amenable number.

23320312153 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320312153 is an equidigital number, since it uses as much as digits as its factorization.

23320312153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 23320312153 its reverse (35121302332), we get a palindrome (58441614485).

The spelling of 23320312153 in words is "twenty-three billion, three hundred twenty million, three hundred twelve thousand, one hundred fifty-three".