23012142403 has 2 divisors, whose sum is σ = 23012142404. Its totient is φ = 23012142402.

The previous prime is 23012142347. The next prime is 23012142409. The reversal of 23012142403 is 30424121032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23012142403 - 2²⁵ = 22978587971 is a prime.

It is a super-2 number, since 2×23012142403² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23012142409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506071201 + 11506071202.

It is an arithmetic number, because the mean of its divisors is an integer number (11506071202).

Almost surely, 2^23012142403 is an apocalyptic number.

23012142403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012142403 is an equidigital number, since it uses as much as digits as its factorization.

23012142403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23012142403 its reverse (30424121032), we get a palindrome (53436263435).

The spelling of 23012142403 in words is "twenty-three billion, twelve million, one hundred forty-two thousand, four hundred three".