1738142923 has 12 divisors (see below), whose sum is σ = 1919360088. Its totient is φ = 1561024160.

The previous prime is 1738142899. The next prime is 1738142941. The reversal of 1738142923 is 3292418371.

It is not a de Polignac number, because 1738142923 - 2⁹ = 1738142411 is a prime.

It is a super-2 number, since 2×1738142923² = 6042281641549967858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1738149923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64311 + ... + 87247.

It is an arithmetic number, because the mean of its divisors is an integer number (159946674).

Almost surely, 2^1738142923 is an apocalyptic number.

1738142923 is a deficient number, since it is larger than the sum of its proper divisors (181217165).

1738142923 is an equidigital number, since it uses as much as digits as its factorization.

1738142923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23114 (or 23031 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 1738142923 is about 41691.0412798721. The cubic root of 1738142923 is about 1202.3433199072.

The spelling of 1738142923 in words is "one billion, seven hundred thirty-eight million, one hundred forty-two thousand, nine hundred twenty-three".