23203103133 has 40 divisors (see below), whose sum is σ = 37661035968. Its totient is φ = 12682350912.

The previous prime is 23203103113. The next prime is 23203103137. The reversal of 23203103133 is 33130130232.

It is not a de Polignac number, because 23203103133 - 2¹⁸ = 23202840989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203103137) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 95641 + ... + 235697.

Almost surely, 2^23203103133 is an apocalyptic number.

23203103133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23203103133 is a deficient number, since it is larger than the sum of its proper divisors (14457932835).

23203103133 is an equidigital number, since it uses as much as digits as its factorization.

23203103133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140111 (or 140090 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23203103133 its reverse (33130130232), we get a palindrome (56333233365).

The spelling of 23203103133 in words is "twenty-three billion, two hundred three million, one hundred three thousand, one hundred thirty-three".