4542101623 has 4 divisors (see below), whose sum is σ = 4554086440. Its totient is φ = 4530116808.

The previous prime is 4542101591. The next prime is 4542101651. The reversal of 4542101623 is 3261012454.

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 4542101623 - 2⁵ = 4542101591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4542101591 and 4542101600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542101923) 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, 5991840 + ... + 5992597.

It is an arithmetic number, because the mean of its divisors is an integer number (1138521610).

Almost surely, 2^4542101623 is an apocalyptic number.

4542101623 is a deficient number, since it is larger than the sum of its proper divisors (11984817).

4542101623 is a wasteful number, since it uses less digits than its factorization.

4542101623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984816.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4542101623 is about 67395.1157206514. The cubic root of 4542101623 is about 1656.0964093900.

The spelling of 4542101623 in words is "four billion, five hundred forty-two million, one hundred one thousand, six hundred twenty-three".