42123463 has 4 divisors (see below), whose sum is σ = 42837480. Its totient is φ = 41409448.

The previous prime is 42123461. The next prime is 42123469. The reversal of 42123463 is 36432124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42123463 - 2¹ = 42123461 is a prime.

It is a super-2 number, since 2×42123463² = 3548772270224738, 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 (42123461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356920 + ... + 357037.

It is an arithmetic number, because the mean of its divisors is an integer number (10709370).

Almost surely, 2^42123463 is an apocalyptic number.

42123463 is a deficient number, since it is larger than the sum of its proper divisors (714017).

42123463 is an equidigital number, since it uses as much as digits as its factorization.

42123463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714016.

The product of its digits is 3456, while the sum is 25.

The square root of 42123463 is about 6490.2590857376. The cubic root of 42123463 is about 347.9429349994.

Adding to 42123463 its reverse (36432124), we get a palindrome (78555587).

The spelling of 42123463 in words is "forty-two million, one hundred twenty-three thousand, four hundred sixty-three".