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23031631453 is a prime number
BaseRepresentation
bin10101011100110010…
…101100111001011101
32012110010002002210011
4111130302230321131
5334132044201303
614325223443221
71443513431365
oct253462547135
965403062704
1023031631453
119849834666
1245692b6511
1322307b58bc
141186ba39a5
158ebeac16d
hex55ccace5d

23031631453 has 2 divisors, whose sum is σ = 23031631454. Its totient is φ = 23031631452.

The previous prime is 23031631429. The next prime is 23031631459. The reversal of 23031631453 is 35413613032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22753308964 + 278322489 = 150842^2 + 16683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23031631453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031631459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515815726 + 11515815727.

It is an arithmetic number, because the mean of its divisors is an integer number (11515815727).

Almost surely, 223031631453 is an apocalyptic number.

It is an amenable number.

23031631453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031631453 is an equidigital number, since it uses as much as digits as its factorization.

23031631453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The spelling of 23031631453 in words is "twenty-three billion, thirty-one million, six hundred thirty-one thousand, four hundred fifty-three".