1238148323 has 8 divisors (see below), whose sum is σ = 1251825600. Its totient is φ = 1224538560.

The previous prime is 1238148251. The next prime is 1238148341. The reversal of 1238148323 is 3238418321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1238148323 - 2¹⁰ = 1238147299 is a prime.

It is a super-2 number, since 2×1238148323² = 3066022539495424658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238145323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20453 + ... + 53801.

It is an arithmetic number, because the mean of its divisors is an integer number (156478200).

Almost surely, 2^1238148323 is an apocalyptic number.

1238148323 is a deficient number, since it is larger than the sum of its proper divisors (13677277).

1238148323 is a wasteful number, since it uses less digits than its factorization.

1238148323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33757.

The product of its digits is 27648, while the sum is 35.

The square root of 1238148323 is about 35187.3318539499. The cubic root of 1238148323 is about 1073.8020397313.

The spelling of 1238148323 in words is "one billion, two hundred thirty-eight million, one hundred forty-eight thousand, three hundred twenty-three".