1011423223004 has 24 divisors (see below), whose sum is σ = 1783299721728. Its totient is φ = 501922721520.

The previous prime is 1011423223003. The next prime is 1011423223091. The reversal of 1011423223004 is 4003223241101.

It is a super-2 number, since 2×1011423223004² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011423223001) 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, 1417562 + ... + 2008065.

It is an arithmetic number, because the mean of its divisors is an integer number (74304155072).

Almost surely, 2^{1011423223004} is an apocalyptic number.

It is an amenable number.

1011423223004 is a deficient number, since it is larger than the sum of its proper divisors (771876498724).

1011423223004 is a wasteful number, since it uses less digits than its factorization.

1011423223004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426185 (or 3426183 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1011423223004 its reverse (4003223241101), we get a palindrome (5014646464105).

The spelling of 1011423223004 in words is "one trillion, eleven billion, four hundred twenty-three million, two hundred twenty-three thousand, four".