103223655451 has 4 divisors (see below), whose sum is σ = 117969891952. Its totient is φ = 88477418952.

The previous prime is 103223655433. The next prime is 103223655533. The reversal of 103223655451 is 154556322301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154556322301 = 19 ⋅8134543279.

It is a cyclic number.

It is not a de Polignac number, because 103223655451 - 2²¹ = 103221558299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103223655451.

It is not an unprimeable number, because it can be changed into a prime (103223655151) 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, 7373118240 + ... + 7373118253.

It is an arithmetic number, because the mean of its divisors is an integer number (29492472988).

Almost surely, 2^103223655451 is an apocalyptic number.

103223655451 is a deficient number, since it is larger than the sum of its proper divisors (14746236501).

103223655451 is an equidigital number, since it uses as much as digits as its factorization.

103223655451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14746236500.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 103223655451 its reverse (154556322301), we get a palindrome (257779977752).

The spelling of 103223655451 in words is "one hundred three billion, two hundred twenty-three million, six hundred fifty-five thousand, four hundred fifty-one".