23203151 has 2 divisors, whose sum is σ = 23203152. Its totient is φ = 23203150.

The previous prime is 23203127. The next prime is 23203153. The reversal of 23203151 is 15130232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23203151 - 2¹⁴ = 23186767 is a prime.

Together with 23203153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601575 + 11601576.

It is an arithmetic number, because the mean of its divisors is an integer number (11601576).

Almost surely, 2^23203151 is an apocalyptic number.

23203151 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203151 is an equidigital number, since it uses as much as digits as its factorization.

23203151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23203151 is about 4816.9649157950. The cubic root of 23203151 is about 285.2215410910.

Adding to 23203151 its reverse (15130232), we get a palindrome (38333383).

The spelling of 23203151 in words is "twenty-three million, two hundred three thousand, one hundred fifty-one".