23211363451 has 2 divisors, whose sum is σ = 23211363452. Its totient is φ = 23211363450.

The previous prime is 23211363443. The next prime is 23211363473. The reversal of 23211363451 is 15436311232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23211363451 - 2³ = 23211363443 is a prime.

It is not a weakly prime, because it can be changed into another prime (23211363421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605681725 + 11605681726.

It is an arithmetic number, because the mean of its divisors is an integer number (11605681726).

Almost surely, 2^23211363451 is an apocalyptic number.

23211363451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211363451 is an equidigital number, since it uses as much as digits as its factorization.

23211363451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

Adding to 23211363451 its reverse (15436311232), we get a palindrome (38647674683).

The spelling of 23211363451 in words is "twenty-three billion, two hundred eleven million, three hundred sixty-three thousand, four hundred fifty-one".