123042263 has 8 divisors (see below), whose sum is σ = 125448000. Its totient is φ = 120657888.

The previous prime is 123042259. The next prime is 123042281. The reversal of 123042263 is 362240321.

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 123042263 - 2² = 123042259 is a prime.

It is a super-2 number, since 2×123042263² = 30278796968322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123042253) 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, 6545 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (15681000).

Almost surely, 2^123042263 is an apocalyptic number.

123042263 is a deficient number, since it is larger than the sum of its proper divisors (2405737).

123042263 is a wasteful number, since it uses less digits than its factorization.

123042263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 123042263 is about 11092.4417059546. The cubic root of 123042263 is about 497.3759366747.

Adding to 123042263 its reverse (362240321), we get a palindrome (485282584).

The spelling of 123042263 in words is "one hundred twenty-three million, forty-two thousand, two hundred sixty-three".