23144303421 has 24 divisors (see below), whose sum is σ = 36708182784. Its totient is φ = 14521913280.

The previous prime is 23144303363. The next prime is 23144303467. The reversal of 23144303421 is 12430344132.

23144303421 is a `hidden beast` number, since 2 + 314 + 4 + 3 + 0 + 342 + 1 = 666.

It is not a de Polignac number, because 23144303421 - 2¹⁹ = 23143779133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144303491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2797165 + ... + 2805426.

It is an arithmetic number, because the mean of its divisors is an integer number (1529507616).

Almost surely, 2^23144303421 is an apocalyptic number.

It is an amenable number.

23144303421 is a deficient number, since it is larger than the sum of its proper divisors (13563879363).

23144303421 is an equidigital number, since it uses as much as digits as its factorization.

23144303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602623 (or 5602611 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23144303421 its reverse (12430344132), we get a palindrome (35574647553).

The spelling of 23144303421 in words is "twenty-three billion, one hundred forty-four million, three hundred three thousand, four hundred twenty-one".