3123145401011 has 4 divisors (see below), whose sum is σ = 3123467484072. Its totient is φ = 3122823317952.

The previous prime is 3123145400953. The next prime is 3123145401067. The reversal of 3123145401011 is 1101045413213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123145401011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123145301011) 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, 161026985 + ... + 161046378.

It is an arithmetic number, because the mean of its divisors is an integer number (780866871018).

Almost surely, 2^{3123145401011} is an apocalyptic number.

3123145401011 is a deficient number, since it is larger than the sum of its proper divisors (322083061).

3123145401011 is an equidigital number, since it uses as much as digits as its factorization.

3123145401011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322083060.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 3123145401011 in words is "three trillion, one hundred twenty-three billion, one hundred forty-five million, four hundred one thousand, eleven".