1230054243015 has 32 divisors (see below), whose sum is σ = 2125160452800. Its totient is φ = 603941630976.

The previous prime is 1230054243013. The next prime is 1230054243017. The reversal of 1230054243015 is 5103424500321.

It is an interprime number because it is at equal distance from previous prime (1230054243013) and next prime (1230054243017).

It is not a de Polignac number, because 1230054243015 - 2¹ = 1230054243013 is a prime.

It is a super-3 number, since 3×1230054243015³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230054243013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8382990 + ... + 8528459.

It is an arithmetic number, because the mean of its divisors is an integer number (66411264150).

Almost surely, 2^{1230054243015} is an apocalyptic number.

1230054243015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1230054243015 is a deficient number, since it is larger than the sum of its proper divisors (895106209785).

1230054243015 is a wasteful number, since it uses less digits than its factorization.

1230054243015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16911843.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1230054243015 its reverse (5103424500321), we get a palindrome (6333478743336).

The spelling of 1230054243015 in words is "one trillion, two hundred thirty billion, fifty-four million, two hundred forty-three thousand, fifteen".