1623230723 has 2 divisors, whose sum is σ = 1623230724. Its totient is φ = 1623230722.

The previous prime is 1623230657. The next prime is 1623230731. The reversal of 1623230723 is 3270323261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1623230723 - 2³⁰ = 549488899 is a prime.

It is a super-2 number, since 2×1623230723² = 5269755960182205458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1623230753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811615361 + 811615362.

It is an arithmetic number, because the mean of its divisors is an integer number (811615362).

Almost surely, 2^1623230723 is an apocalyptic number.

1623230723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623230723 is an equidigital number, since it uses as much as digits as its factorization.

1623230723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 1623230723 is about 40289.3375845272. The cubic root of 1623230723 is about 1175.2405055898.

Adding to 1623230723 its reverse (3270323261), we get a palindrome (4893553984).

The spelling of 1623230723 in words is "one billion, six hundred twenty-three million, two hundred thirty thousand, seven hundred twenty-three".