42123145311003 has 16 divisors (see below), whose sum is σ = 56251043536896. Its totient is φ = 28038681568800.

The previous prime is 42123145310999. The next prime is 42123145311007. The reversal of 42123145311003 is 30011354132124.

It is an interprime number because it is at equal distance from previous prime (42123145310999) and next prime (42123145311007).

It is not a de Polignac number, because 42123145311003 - 2² = 42123145310999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42123145311007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16443750 + ... + 18831972.

It is an arithmetic number, because the mean of its divisors is an integer number (3515690221056).

Almost surely, 2^{42123145311003} is an apocalyptic number.

42123145311003 is a deficient number, since it is larger than the sum of its proper divisors (14127898225893).

42123145311003 is a wasteful number, since it uses less digits than its factorization.

42123145311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397314.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 42123145311003 its reverse (30011354132124), we get a palindrome (72134499443127).

The spelling of 42123145311003 in words is "forty-two trillion, one hundred twenty-three billion, one hundred forty-five million, three hundred eleven thousand, three".